准噶尔盆地凝析气藏成因与分布规律

doi:10.7623/syxb202112009

石油学报 ›› 2021, Vol. 42 ›› Issue (12): 1640-1653.DOI: 10.7623/syxb202112009

准噶尔盆地凝析气藏成因与分布规律

吴涛, 王彬, 费李莹, 刘超威, 任海姣, 李啸, 张越迁, 杨海波

中国石油新疆油田公司新疆克拉玛依 834000

收稿日期:2021-03-31 修回日期:2021-10-21 出版日期:2021-12-25 发布日期:2021-12-30
通讯作者: 吴涛,男,1981年6月生,2005年获兰州大学学士学位,2014年获中国科学院博士学位,现为中国石油新疆油田公司勘探开发研究院高级工程师,主要从事储层沉积学与油气地质综合研究。
作者简介:吴涛,男,1981年6月生,2005年获兰州大学学士学位,2014年获中国科学院博士学位,现为中国石油新疆油田公司勘探开发研究院高级工程师,主要从事储层沉积学与油气地质综合研究。Email:wutao33@petrochina.com.cn
基金资助:
中国石油天然气集团有限公司科技重大专项"准噶尔盆地天然气藏主控因素及关键技术研究与应用"（2017E-0403）资助。

Origin and distribution law of condensate gas reservoirs in Junggar Basin

Wu Tao, Wang Bin, Fei Liying, Liu Chaowei, Ren Haijiao, Li Xiao, Zhang Yueqian, Yang Haibo

PetroChina Xinjiang Oilfield Company, Xinjiang Karamay 843000, China

Received:2021-03-31 Revised:2021-10-21 Online:2021-12-25 Published:2021-12-30

摘要/Abstract

摘要： 准噶尔盆地凝析气资源丰富，但探明程度不高，为了拓展勘探领域，对盆地凝析油气的地质地球化学特征和成因进行了系统分析，在此基础上阐述了油气藏的分布规律，提出了勘探方向。研究结果表明，准噶尔盆地凝析油气主要来源于石炭系、二叠系、侏罗系气源岩，具有多层组含油气的特点。气藏类型主要为构造-岩性气藏，储层物性以低孔、低渗储层为主。凝析气藏类型按成因划分为油气同源热成因型和油气不同源气侵型。高—过成熟烃源灶对凝析油气分布起着决定性作用，断裂对油气运移和聚集起到良好的纵向调节作用，优势沉积相带对油气成藏的规模与分布具有局部控制作用。盆1井西凹陷及其周缘、沙湾凹陷西斜坡、南缘冲断带中段、滴水泉—五彩湾烃源槽及周缘、东道海子—吉木萨尔烃源槽及周缘是准噶尔盆地凝析气藏勘探的有利区。

关键词: 凝析气藏, 构造-岩性气藏, 热成因气藏, 气侵型气藏, 克拉美丽气田, 准噶尔盆地

Abstract: Condensate gas resources are abundant in Junggar Basin, of which the exploration degree is low. To expand the exploration area, this paper systematically analyzes geological and geochemical characteristics and geneses of condensate oil and gas in the basin, elaborates the distribution law of oil and gas reservoirs, and further points out the exploration direction. Research has shown that the condensate oil and gas are mainly from Carboniferous, Permian and Jurassic gas source rocks, characterized by the multilayered formations containing oil and gas. Structural-lithologic gas reservoir plays a dominant role; the reservoir property is mainly characterized by low porosity and low permeability. Based the origins, condensate gas reservoirs can be divided into the thermogenic oil and gas type of the same source and the gas invasion type of different sources. High-mature and post-mature hydrocarbon kitchens play a decisive role in the distribution of condensate oil and gas; faults play a good role in the vertical adjustment for oil gas migration and accumulation; the dominant sedimentary facies belt plays a role in local control for the scale and distribution of oil/gas accumulation. The western Well Pen-1 sag and its surroundings, west slope of Shawan sag, middle section of southern thrust belt, Dishuiquan-Wucaiwan hydrocarbon source trough and its surroundings, as well as Dongdaohaizi-Jimusaer hydrocarbon source trough and its surroundings are favorable areas for the exploration of condensate gas reservoirs in Junggar Basin.

Key words: condensate gas reservoir, structural-lithologic gas reservoir, thermogenic gas reservoir, gas invasion gas reservoir, Kelameili gas field, Junggar Basin

中图分类号:

TE122.1

吴涛, 王彬, 费李莹, 刘超威, 任海姣, 李啸, 张越迁, 杨海波. 准噶尔盆地凝析气藏成因与分布规律[J]. 石油学报, 2021, 42(12): 1640-1653.

Wu Tao, Wang Bin, Fei Liying, Liu Chaowei, Ren Haijiao, Li Xiao, Zhang Yueqian, Yang Haibo. Origin and distribution law of condensate gas reservoirs in Junggar Basin[J]. Acta Petrolei Sinica, 2021, 42(12): 1640-1653.

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准噶尔盆地凝析气藏成因与分布规律

Origin and distribution law of condensate gas reservoirs in Junggar Basin

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